package cn.itcast.bos.service.base.impl;

import java.util.List;
import java.util.Set;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import cn.itcast.bos.dao.base.CouriterRepository;
import cn.itcast.bos.domain.base.Courier;
import cn.itcast.bos.service.base.CourierService;

@Service
@Transactional
public class CourierServiceimpl implements CourierService{
 
	//注入Dao 层属性
	@Autowired
	private CouriterRepository couriterRepository;
	
	@Override
	@RequiresPermissions("courier_add")
	public void save(Courier courier) {
	 
		couriterRepository.save(courier);
	}

	@Override
	public Page<Courier> findPageDate(Specification<Courier> specification,Pageable pageable) {
		
		return couriterRepository.findAll(specification,pageable);
	}

	@Override
	public void delBatch(String[] idArray) {
		// TODO Auto-generated method stub
		for (String string : idArray) {
			Integer id = Integer.parseInt(string);
			couriterRepository.updateDelTag(id);
		}
	}

	@Override
	public List<Courier> findNoAssociation() {
		Specification<Courier> specification = new Specification<Courier>() {

			@Override
			public Predicate toPredicate(Root<Courier> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
				Predicate predicate = cb.isEmpty(root.get("fixedAreas").as(Set.class));
				return predicate;
			}
		};
		return couriterRepository.findAll(specification);
	}

}
